* {
  box-sizing: border-box;
}

@font-face {
  font-family: "Archivo Local";
  src: url("../fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Courier Prime Local";
  src: url("../fonts/courier-prime.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Sixtyfour Local";
  src: url("../fonts/sixtyfour.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "VT323 Local";
  src: url("../fonts/vt323.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Workbench Local";
  src: url("../fonts/workbench.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Major Mono Local";
  src: url("../fonts/major-mono.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Libertinus Mono Local";
  src: url("../fonts/libertinus-mono.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lekton Bold Local";
  src: url("../fonts/lekton-bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cutive Mono Local";
  src: url("../fonts/cutive-mono.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
:root {
  --color-bg: #212121;
  --color-panel: #181818;
  --color-input: #303030;
  --color-text: #ddeace;
  --color-accent: #fa423e;
  --color-border: #4a4a4a;
  --color-muted-border: #333;
  --color-muted-text: #b7c4aa;
  --space-page: clamp(0.75rem, 2vmin, 1.25rem);
  --control-height: 2.5rem;
  --font-system: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-page: var(--font-system);

  font-family: var(--font-page);
}

body.font-archivo {
  --font-page: "Archivo Local", var(--font-system);
}

body.font-courier-prime {
  --font-page: "Courier Prime Local", "Courier New", monospace;
}

body.font-sixtyfour {
  --font-page: "Sixtyfour Local", var(--font-system);
  --clock-time-min-size: 1.25rem;
  --clock-time-fluid-size: 6.6vw;
  --clock-time-max-size: 6.75vh;
  --clock-time-letter-spacing: 0;
  --clock-time-small-min-size: 1rem;
  --clock-time-small-fluid-size: 6.25vw;
  --clock-time-small-max-size: 6vh;
  --clock-time-small-letter-spacing: 0;
  --clock-time-short-min-size: 0.95rem;
  --clock-time-short-fluid-size: 5.75vw;
  --clock-time-short-max-size: 8vh;
  --clock-time-short-letter-spacing: 0;
}

body.font-vt323 {
  --font-page: "VT323 Local", "Courier New", monospace;
}

body.font-workbench {
  --font-page: "Workbench Local", var(--font-system);
}

body.font-major-mono {
  --font-page: "Major Mono Local", "Courier New", monospace;
  --clock-time-min-size: 1.7rem;
  --clock-time-fluid-size: 8.75vw;
  --clock-time-max-size: 8.5vh;
  --clock-time-letter-spacing: 0;
  --clock-time-small-min-size: 1.35rem;
  --clock-time-small-fluid-size: 8vw;
  --clock-time-small-max-size: 7.5vh;
  --clock-time-small-letter-spacing: 0;
  --clock-time-short-min-size: 1.2rem;
  --clock-time-short-fluid-size: 7.25vw;
  --clock-time-short-max-size: 10vh;
  --clock-time-short-letter-spacing: 0;
  text-transform: lowercase;
}

body.font-libertinus-mono {
  --font-page: "Libertinus Mono Local", "Courier New", monospace;
}

body.font-lekton-bold {
  --font-page: "Lekton Bold Local", var(--font-system);
}

body.font-cutive-mono {
  --font-page: "Cutive Mono Local", "Courier New", monospace;
}

#fontSelect option[value="system"],
#fontSelect[data-selected-font="system"] {
  font-family: var(--font-system);
}

#fontSelect option[value="courier-prime"],
#fontSelect[data-selected-font="courier-prime"] {
  font-family: "Courier Prime Local", "Courier New", monospace;
}

#fontSelect option[value="archivo"],
#fontSelect[data-selected-font="archivo"] {
  font-family: "Archivo Local", var(--font-system);
}

#fontSelect option[value="sixtyfour"],
#fontSelect[data-selected-font="sixtyfour"] {
  font-family: "Sixtyfour Local", var(--font-system);
}

#fontSelect option[value="vt323"],
#fontSelect[data-selected-font="vt323"] {
  font-family: "VT323 Local", "Courier New", monospace;
}

#fontSelect option[value="workbench"],
#fontSelect[data-selected-font="workbench"] {
  font-family: "Workbench Local", var(--font-system);
}

#fontSelect option[value="major-mono"],
#fontSelect[data-selected-font="major-mono"] {
  font-family: "Major Mono Local", "Courier New", monospace;
  text-transform: lowercase;
}

#fontSelect option[value="libertinus-mono"],
#fontSelect[data-selected-font="libertinus-mono"] {
  font-family: "Libertinus Mono Local", "Courier New", monospace;
}

#fontSelect option[value="lekton-bold"],
#fontSelect[data-selected-font="lekton-bold"] {
  font-family: "Lekton Bold Local", var(--font-system);
}

#fontSelect option[value="cutive-mono"],
#fontSelect[data-selected-font="cutive-mono"] {
  font-family: "Cutive Mono Local", "Courier New", monospace;
}

html {
  min-width: 320px;
  min-height: 100%;
  line-height: 1.4;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-page);
  overflow: hidden;
}

body.theme-dark {
  --color-bg: #212121;
  --color-panel: #181818;
  --color-input: #303030;
  --color-text: #ddeace;
  --color-accent: #fa423e;
  --color-border: #4a4a4a;
  --color-muted-border: #333;
  --color-muted-text: #b7c4aa;
}

body.theme-light {
  --color-bg: #ddeace;
  --color-panel: #f5f8f1;
  --color-input: #ffffff;
  --color-text: #181818;
  --color-accent: #b9211e;
  --color-border: #a8b19d;
  --color-muted-border: #c9d2bf;
  --color-muted-text: #4a5542;
}

body.theme-hi-contrast-dark {
  --color-bg: #000000;
  --color-panel: #050505;
  --color-input: #000000;
  --color-text: #ffffff;
  --color-accent: #ffffff;
  --color-border: #ffffff;
  --color-muted-border: #777777;
  --color-muted-text: #ffffff;
}

body.theme-hi-contrast-light {
  --color-bg: #ffffff;
  --color-panel: #ffffff;
  --color-input: #ffffff;
  --color-text: #000000;
  --color-accent: #000000;
  --color-border: #000000;
  --color-muted-border: #777777;
  --color-muted-text: #000000;
}

body.theme-amber-mono {
  --color-bg: #130b02;
  --color-panel: #211303;
  --color-input: #211303;
  --color-text: #ffb23a;
  --color-accent: #ff8c00;
  --color-border: #8f4f00;
  --color-muted-border: #4f2c00;
  --color-muted-text: #d88921;
}

body.theme-green-mono {
  --color-bg: #021006;
  --color-panel: #031a0a;
  --color-input: #031a0a;
  --color-text: #45ff7a;
  --color-accent: #20d957;
  --color-border: #168037;
  --color-muted-border: #0c3d1d;
  --color-muted-text: #31c95c;
}

body.theme-cyan-mono {
  --color-bg: #020b0d;
  --color-panel: #031316;
  --color-input: #031316;
  --color-text: #9ffcf3;
  --color-accent: #41e7db;
  --color-border: #1b9f98;
  --color-muted-border: #0d4d4a;
  --color-muted-text: #78ddd5;
}

body.theme-nixie-tube {
  --color-bg: #060201;
  --color-panel: #100504;
  --color-input: #100504;
  --color-text: #ff7a32;
  --color-accent: #ff5a1f;
  --color-border: #6e2a12;
  --color-muted-border: #3a160b;
  --color-muted-text: #e46a2d;
}

body.theme-amber-mono .clock-time,
body.theme-amber-mono .clock-date,
body.theme-amber-mono .clock-timezone {
  text-shadow:
    0 0 0.25rem color-mix(in srgb, var(--color-text), transparent 45%),
    0 0 0.8rem color-mix(in srgb, var(--color-accent), transparent 70%);
}

body.theme-green-mono .clock-time,
body.theme-green-mono .clock-date,
body.theme-green-mono .clock-timezone {
  text-shadow:
    0 0 0.25rem color-mix(in srgb, var(--color-text), transparent 45%),
    0 0 0.8rem color-mix(in srgb, var(--color-accent), transparent 70%);
}

body.theme-cyan-mono .clock-time,
body.theme-cyan-mono .clock-date,
body.theme-cyan-mono .clock-timezone {
  text-shadow:
    0 0 0.25rem color-mix(in srgb, var(--color-text), transparent 45%),
    0 0 0.8rem color-mix(in srgb, var(--color-accent), transparent 70%);
}

body.theme-nixie-tube .clock-panel {
  gap: clamp(0.8rem, 2vmin, 1.35rem);
  overflow: visible;
}

body.theme-nixie-tube .clock-time,
body.theme-nixie-tube .clock-date,
body.theme-nixie-tube .clock-timezone {
  overflow: visible;
}

body.theme-nixie-tube .clock-time {
  text-shadow:
    0 0 0.16rem color-mix(in srgb, var(--color-text), transparent 12%),
    0 0 0.5rem color-mix(in srgb, var(--color-text), transparent 26%),
    0 0 1.15rem color-mix(in srgb, var(--color-accent), transparent 38%),
    0 0 2.25rem color-mix(in srgb, var(--color-accent), transparent 58%);
}

body.theme-nixie-tube .clock-date,
body.theme-nixie-tube .clock-timezone {
  text-shadow:
    0 0 0.1rem color-mix(in srgb, var(--color-text), transparent 24%),
    0 0 0.35rem color-mix(in srgb, var(--color-accent), transparent 50%),
    0 0 0.8rem color-mix(in srgb, var(--color-accent), transparent 72%);
}

button,
input,
select,
textarea {
  font: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.font-control,
.theme-control {
  display: block;
  min-width: 0;
  max-width: 45vw;
  pointer-events: auto;
}

.app-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(0.4rem, 1.5vmin, 0.75rem);
  max-width: calc(100vw - (var(--space-page) * 2) - var(--control-height) - clamp(0.4rem, 1.5vmin, 0.75rem));
}

.app-controls[hidden] {
  display: none;
}

.app-header {
  position: fixed;
  top: var(--space-page);
  right: var(--space-page);
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: clamp(0.4rem, 1.5vmin, 0.75rem);
  max-width: calc(100vw - (var(--space-page) * 2));
}

.control-button,
.control-select {
  min-width: 0;
  max-width: 45vw;
  height: var(--control-height);
  padding: 0 clamp(0.65rem, 2vmin, 1rem);
  overflow: hidden;
  color: var(--color-text);
  background-color: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  white-space: nowrap;
  text-overflow: ellipsis;
  cursor: pointer;
  pointer-events: auto;
}

.timezone-options {
  position: relative;
  min-width: 0;
  max-width: 45vw;
  pointer-events: auto;
}

.timezone-options[hidden] {
  display: none;
}

.timezone-options-summary {
  display: flex;
  align-items: center;
  height: var(--control-height);
  padding: 0 clamp(0.65rem, 2vmin, 1rem);
  color: var(--color-text);
  background-color: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  white-space: nowrap;
  cursor: pointer;
  list-style: none;
}

.timezone-options-summary::-webkit-details-marker {
  display: none;
}

.timezone-options-summary::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.7rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-0.15rem) rotate(45deg);
}

.timezone-options[open] .timezone-options-summary {
  border-color: var(--color-accent);
}

.timezone-options-panel {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  z-index: 20;
  display: grid;
  gap: 0.35rem;
  min-width: 12rem;
  padding: 0.6rem;
  color: var(--color-text);
  background-color: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 35%);
}

.timezone-option {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  white-space: nowrap;
  cursor: pointer;
}

.timezone-option input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--color-accent);
}

.menu-toggle {
  display: grid;
  place-items: center;
  flex: 0 0 var(--control-height);
  width: var(--control-height);
  height: var(--control-height);
  padding: 0;
  color: var(--color-text);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1;
}

.menu-toggle::before {
  content: "#";
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  font-family: var(--font-system);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  transform-origin: center center;
}

.app-header:not(.is-open) .menu-toggle::before {
  animation: menu-toggle-spin 10s linear infinite;
}

.app-header.is-open .menu-toggle::before {
  content: "×";
  animation: none;
  font-size: 1.45rem;
  font-weight: 400;
}

@keyframes menu-toggle-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.control-button {
  background-image: none;
}

.control-select {
  width: 100%;
  padding-right: clamp(1.9rem, 4vmin, 2.4rem);
  color-scheme: dark;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-muted-text) 50%),
    linear-gradient(135deg, var(--color-muted-text) 50%, transparent 50%);
  background-position:
    calc(100% - 1rem) 50%,
    calc(100% - 0.7rem) 50%;
  background-size:
    0.35rem 0.35rem,
    0.35rem 0.35rem;
  background-repeat: no-repeat;
}

body.theme-light .control-select,
body.theme-hi-contrast-light .control-select {
  color-scheme: light;
}

.control-button:hover,
.control-button:focus-visible,
.control-select:hover,
.control-select:focus-visible {
  border-color: var(--color-accent);
  outline: none;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.menu-toggle:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent), transparent 70%);
}

.control-button:focus-visible,
.control-select:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent), transparent 60%);
}

.clock-shell {
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  padding: calc(var(--control-height) + (var(--space-page) * 2)) var(--space-page) var(--space-page);
}

.clock-panel {
  display: grid;
  gap: clamp(0.35rem, 1.25vmin, 0.85rem);
  width: 100%;
  max-width: 100%;
  text-align: center;
}

.clock-time,
.clock-date,
.clock-timezone,
.noscript-message {
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: clip;
}

.clock-time {
  color: var(--color-text);
  font-size: clamp(
    var(--clock-time-min-size, 2.35rem),
    var(--clock-time-fluid-size, 13vw),
    var(--clock-time-max-size, 12.25vh)
  );
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--clock-time-letter-spacing, 0.025em);
  font-variant-numeric: tabular-nums;
}

.clock-date {
  color: var(--color-muted-text);
  font-size: clamp(1rem, 4.5vw, 4.25vh);
  font-weight: 500;
  line-height: 1.15;
}

.clock-timezone {
  color: var(--color-muted-text);
  font-size: clamp(0.8rem, 2.5vw, 2.5vh);
  font-weight: 500;
  line-height: 1.15;
  opacity: 0.9;
}

.noscript-message {
  margin: 0;
  color: var(--color-muted-text);
  font-size: clamp(0.85rem, 2.5vw, 1rem);
}

::selection {
  color: var(--color-bg);
  background: var(--color-accent);
}

@supports not (height: 100dvh) {
  body,
  .clock-shell {
    min-height: 100vh;
    height: 100vh;
  }
}

@supports not (color: color-mix(in srgb, red, transparent 60%)) {
  .menu-toggle:focus-visible,
  .control-button:focus-visible,
  .control-select:focus-visible {
    box-shadow: 0 0 0 3px var(--color-border);
  }
}

@media (max-width: 420px) {
  :root {
    --control-height: 2.25rem;
  }

  .app-header {
    gap: 0.35rem;
  }

  .app-controls {
    gap: 0.35rem;
    max-width: calc(100vw - (var(--space-page) * 2) - var(--control-height) - 0.35rem);
  }

  .menu-toggle {
    font-size: 1rem;
  }

  .control-button,
  .control-select {
    padding: 0 0.65rem;
    font-size: 0.9rem;
  }

  .control-select {
    padding-right: 1.85rem;
  }

  .clock-time {
    font-size: clamp(
      var(--clock-time-small-min-size, 1.8rem),
      var(--clock-time-small-fluid-size, 12.4vw),
      var(--clock-time-small-max-size, 10.5vh)
    );
    letter-spacing: var(--clock-time-small-letter-spacing, 0.015em);
  }

  .clock-date {
    font-size: clamp(0.85rem, 4vw, 3.5vh);
  }

  body.theme-nixie-tube .clock-panel {
    gap: clamp(0.7rem, 2.25vmin, 1rem);
  }
}

@media (max-height: 330px) {
  :root {
    --space-page: 0.5rem;
    --control-height: 2rem;
  }

  .menu-toggle {
    font-size: 0.95rem;
  }

  .control-button,
  .control-select {
    padding: 0 0.6rem;
    font-size: 0.85rem;
  }

  .control-select {
    padding-right: 1.75rem;
  }

  .clock-shell {
    padding-top: calc(var(--control-height) + 0.75rem);
  }

  .clock-panel {
    gap: 0.25rem;
  }

  .clock-time {
    font-size: clamp(
      var(--clock-time-short-min-size, 1.65rem),
      var(--clock-time-short-fluid-size, 10.25vw),
      var(--clock-time-short-max-size, 16.5vh)
    );
    letter-spacing: var(--clock-time-short-letter-spacing, 0.015em);
  }

  .clock-date {
    font-size: clamp(0.8rem, 3vw, 5vh);
  }

  body.theme-nixie-tube .clock-panel {
    gap: 0.45rem;
  }
}